diff --git a/debian/changelog b/debian/changelog
index 7eb143bb..37790bbe 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,6 +1,7 @@
 llvm-toolchain-3.7 (1:3.7~+rc2-3) UNRELEASED; urgency=medium
 
   * Fix VCS fields.
+  * d/p/bug783205.patch rebase s390x patch to apply to 3.7
 
  -- Gianfranco Costamagna <locutusofborg@debian.org>  Thu, 13 Aug 2015 09:02:30 +0200
 
diff --git a/debian/patches/bug783205.patch b/debian/patches/bug783205.patch
new file mode 100644
index 00000000..18725ea5
--- /dev/null
+++ b/debian/patches/bug783205.patch
@@ -0,0 +1,47 @@
+From: Steven Chamberlain <steven@pyro.eu.org>
+Date: Sun, 10 May 2015 19:46:59 +0100
+Subject: support Debian s390x multiarch paths
+
+--- llvm-toolchain-3.7-3.7~+rc2.orig/clang/lib/Driver/ToolChains.cpp
++++ llvm-toolchain-3.7-3.7~+rc2/clang/lib/Driver/ToolChains.cpp
+@@ -3081,6 +3081,10 @@ static std::string getMultiarchTriple(co
+     if (llvm::sys::fs::exists(SysRoot + "/lib/sparc64-linux-gnu"))
+       return "sparc64-linux-gnu";
+     break;
++  case llvm::Triple::systemz:
++    if (llvm::sys::fs::exists(SysRoot + "/lib/s390x-linux-gnu"))
++      return "s390x-linux-gnu";
++    break;
+   }
+   return TargetTriple.str();
+ }
+@@ -3424,6 +3428,8 @@ void Linux::AddClangSystemIncludeArgs(co
+       "/usr/include/sparc-linux-gnu"};
+   const StringRef Sparc64MultiarchIncludeDirs[] = {
+       "/usr/include/sparc64-linux-gnu"};
++  const StringRef SYSTEMZMultiarchIncludeDirs[] = {
++      "/usr/include/s390x-linux-gnu"};
+   ArrayRef<StringRef> MultiarchIncludeDirs;
+   switch (getTriple().getArch()) {
+   case llvm::Triple::x86_64:
+@@ -3469,6 +3475,9 @@ void Linux::AddClangSystemIncludeArgs(co
+   case llvm::Triple::sparcv9:
+     MultiarchIncludeDirs = Sparc64MultiarchIncludeDirs;
+     break;
++  case llvm::Triple::systemz:
++    MultiarchIncludeDirs = SYSTEMZMultiarchIncludeDirs;
++    break;
+   default:
+     break;
+   }
+--- llvm-toolchain-3.7-3.7~+rc2.orig/clang/lib/Driver/Tools.cpp
++++ llvm-toolchain-3.7-3.7~+rc2/clang/lib/Driver/Tools.cpp
+@@ -8008,7 +8008,7 @@ static std::string getLinuxDynamicLinker
+       return "/lib64/ld64.so.1";
+     return "/lib64/ld64.so.2";
+   } else if (Arch == llvm::Triple::systemz)
+-    return "/lib64/ld64.so.1";
++    return "/lib/ld64.so.1";
+   else if (Arch == llvm::Triple::sparcv9)
+     return "/lib64/ld-linux.so.2";
+   else if (Arch == llvm::Triple::x86_64 &&
diff --git a/debian/patches/series b/debian/patches/series
index 6f9e37f0..11009e07 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -40,3 +40,4 @@ compiler-rt-i586.diff
 clang-analyzer-force-version.diff
 
 locale-issue-ld.diff
+bug783205.patch